Understanding Box Plots and Salary Comparisons

The video tutorial explains how to interpret box plots using the five number summary, which includes the minimum, Q1, median, Q3, and maximum. It compares the median salaries of construction workers and teachers, showing that Jenny, a construction worker, earns $40,000 per year, while Marco, a teacher, earns $35,000 per year. The tutorial concludes by calculating the salary difference, highlighting that Jenny earns $5,000 more annually than Marco.

What is the purpose of a box plot in data analysis?

• To show the average of a dataset

• To compare two datasets directly

• To calculate the standard deviation

• To display the distribution of data based on a five-number summary

Which of the following is NOT part of the five-number summary?

• Minimum

• Mean

• Median

• Maximum

How is the data divided in a box plot?

• Into three equal parts

• Into four quartiles

• Into five sections

• Into two halves

What is Jenny's annual salary as a construction worker?

• $45,000

• $40,000

• $35,000

• $30,000

What is Marco's annual salary as a teacher?

• $45,000

• $30,000

• $35,000

• $40,000

Who earns more between Jenny and Marco?

• Cannot be determined

• Both earn the same

• Marco

• Jenny

How much more does Jenny earn compared to Marco?

• $6,000

• $5,000

• $4,000

• $3,000